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Controllers & Monitors

Controllers & Monitors

We carry a wide range of aquarium controllers & monitors from American Marine, BioTek Marine, Hanna Instruments, Apogee Instruments, Neptune Systems, Tunze, Hydros & more. If you need help selecting the right product for your budget and needs then please call or email us.

First Time Customers Use Coupon Code: WELCOMEExtra 10% With Account Checkout to Save 10%
15% Off Hanna Instruments & 20% Off ATI Straton LED Lights.

8 Items

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  1. Milwaukee MA991B/1 Glass PH Replacement Probe

    Milwaukee MA991B/1 Glass PH Replacement Probe

    $44.00
    Out Of Stock
    Add to Wish List
  2. Milwaukee MA911B/2 Double Junction pH Probe

    Milwaukee MA911B/2 Double Junction pH Probe

    $34.99
    This product will be back ordered
    Add to Wish List
  3. Milwaukee pH58 Waterproof Dual Level pH/ORP Tester

    Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Replaceable Probe

    $137.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  4. Milwaukee Digital Seawater Refractometer

    Milwaukee MA887 Digital Seawater Refractometer

    $124.99
    This product will be back ordered
    Add to Wish List
  5. Milwaukee MW100 Portable pH Meter

    Milwaukee MW100 Portable pH Meter

    $85.00
    This product will be back ordered
    Add to Wish List
  6. Milwaukee MC122 pH Controller

    Milwaukee MC122 pH Controller

    $146.00
    This product will be back ordered
    Add to Wish List
  7. Milwaukee MA957 C02 Regulator

    Milwaukee MA957 C02 Regulator

    $109.99
    Ships in 1-2 Days
    Add to Wish List
  8. Milwaukee ORP57 Waterproof Dual Level ORP Tester

    Milwaukee ORP57 PRO Waterproof ORP/Temperature Tester with Replaceable Probe

    $114.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
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  1. Accessories, Parts & Fluids
  2. Controllers
  3. Monitors
  4. Salinity Devices
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